Now it's time to wire the top pistons, though these ones are much easier. You should expect to see the fences get pushed up, and then the gravel retract back fully into the ground. Hit the button to double-check that it works. That is all that you need for the bottom of the contraption. One block above this dust will be your ground level. This dust will activate the top row of pistons. Be careful to not miss the dust to the right of the "off" torch in this picture.įinally, on top of the "on" torch, place another torch with some redstone dust running to the right. Place two repeaters that run to the same line of redstone you just placed for the second row of pistons. Your button will, of course, be above ground, but just make sure it is wired to a repeater that directs into this same input block.Įxtending off the side of the wiring you just placed, run some redstone dust from the torch to another torch as seen below, which should invert and turn off. The button on the left is where your input will go. Make sure you place the repeater on top of an upside-down slab so you don't cut off the redstone wiring beneath it. Now wire the second row of pistons, as shown in the image below. There are only two repeaters, which should be set up under the right-most piston of your door. To begin, line some redstone around the bottom pistons as seen below. The bottom two rows of pistons beneath the gravel are sticky pistons, while the rest of the pistons in the design are not. The pistons up top will need to be hidden within the upper wall of your castle if you want to hide the redstone. The fences above it are what will be pushed up to open the door. The top piece of gravel in the picture below is ground-level.
For every additional block wide your door is, you will need three extra fences, four extra gravel blocks, four extra regular pistons, and two extra sticky pistons.
It is unlikely that you will need much more than a single stack unless your door is very wide. How much redstone dust you need is dependent on how far away your opening/closing buttons are. For this three-wide contraption, you will need the following: The guide will use a three-block-wide design for simplicity, but it can be easily expanded to fit your door size. This design is for a three-block-tall portcullis and can be up to 13 blocks wide. Those playing on Java may be able to safely speed up the design by reducing the tick counts on the repeaters, but Bedrock users should avoid doing this. Redstone is notoriously buggy in Bedrock Edition, but this design opens slowly enough for it not to be an issue.
#Minecraft repeater how to#
How to Build a Portcullis Door in Minecraftįor those playing Minecraft Bedrock Edition, don't worry this design will work for you. Here's how to build a working portcullis for your castle entrance in Minecraft, including all of the crafting parts you'll need.
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